<template>
  <view>
    <view class="goods-item">
      <view class="goods-item-left">
        <radio @click="setRadio" v-if="showRadio" :checked="goods.goods_state" color="#166beb"></radio>
        <image :src="goods.goods_small_logo || defaultPic" class="goods-pic" mode=""></image>
      </view>
      <view class="goods-item-right">
        <view class="goods_name">
          {{goods.goods_name}}
        </view>
        <view class="goods_info">
          <view class="goods-price">
            ￥{{goods.goods_price | tofixed}}
          </view>
          <!-- 商品数量 -->
            <uni-number-box @change="setNumber" v-if="showNum" :value="goods.goods_count" :min="1"></uni-number-box>
        </view>
      </view>
    </view>
  </view>
</template>

<script>
  export default {
    name:"my-goods",
    props:{
      goods:{
        type:Object,
        default:{}
      },
      // 是否展示图片左侧的 radio
          showRadio: {
            type: Boolean,
            // 如果外界没有指定 show-radio 属性的值，则默认不展示 radio 组件
            default: false,
          },
          // 是否展示价格右侧的 NumberBox 组件
              showNum: {
                type: Boolean,
                default: false,
              },
    },
    data() {
      return {
        defaultPic: 'https://img3.doubanio.com/f/movie/8dd0c794499fe925ae2ae89ee30cd225750457b4/pics/movie/celebrity-default-medium.png'
      };
    },
    filters:{
      tofixed(num){
        return Number(num).toFixed(2)
      }
    },
    methods:{
      
      setRadio(){
        // 通过 this.$emit() 触发外界通过 @ 绑定的 radio-change 事件，
            // 同时把商品的 Id 和 勾选状态 作为参数传递给 radio-change 事件处理函数
            this.$emit('radio-change', {
              // 商品的 Id
              goods_id: this.goods.goods_id,
              // 商品最新的勾选状态
              goods_state: !this.goods.goods_state
            })
      },
      setNumber(val){
        // 通过 this.$emit() 触发外界通过 @ 绑定的 num-change 事件
            this.$emit('num-change', {
              // 商品的 Id
              goods_id: this.goods.goods_id,
              // 商品的最新数量
              goods_count: +val
            })
    }
  }
  }
</script>


<style lang="scss">
.goods-item {
  display: flex;
  padding: 10px 5px;
  border-bottom: 1px solid #f0f0f0;

  .goods-item-left {
    margin-right: 5px;
    display: flex;
      justify-content: space-between;
      align-items: center;
    .goods-pic {
      width: 100px;
      height: 100px;
      display: block;
    }
  }

  .goods-item-right {
    display: flex;
    flex-direction: column;
    justify-content: space-between;

    .goods-name {
      font-size: 13px;
    }
    .goods_info{
      display: flex;
      justify-content: space-between;
      align-items: center;
      .goods-price {
        font-size: 16px;
        color: #c00000;
      }
    }
    
  }
}
</style>